Dry powder inhaler



FIG. 1 is a rear and bottom perspective view of an inhaler;

FIG. 2 is a bottom plan view of an inhaler shown in FIG. 1;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a dry powder inhaler, as shown and described. 